630917876 has 72 divisors (see below), whose sum is σ = 1245666240. Its totient is φ = 278277120.

The previous prime is 630917869. The next prime is 630917879. The reversal of 630917876 is 678719036.

630917876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 630917876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630917879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6504260 + ... + 6504356.

It is an arithmetic number, because the mean of its divisors is an integer number (17300920).

Almost surely, 2^630917876 is an apocalyptic number.

It is an amenable number.

630917876 is a deficient number, since it is larger than the sum of its proper divisors (614748364).

630917876 is a wasteful number, since it uses less digits than its factorization.

630917876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 630917876 is about 25118.0786685606. The cubic root of 630917876 is about 857.6780143077.

The spelling of 630917876 in words is "six hundred thirty million, nine hundred seventeen thousand, eight hundred seventy-six".